One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for National City can be reviewed to determine when you can plant chinese cabbage.

Planting Calendar for Chinese cabbage

Frost tolerance for chinese cabbage:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant chinese cabbage a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chinese cabbage in National City is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant chinese cabbage and expect a good harvest is probably October. Any later than that and your chinese cabbage may not have a chance to really do well. You can get started a couple of weeks earlier by starting your chinese cabbage indoors.

Last Frost Date

On average the last frost has passed is on January 31 in National City. It might get as low as 35°F during the coldest months of winter.

Remember that USDA zone info for National City may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in National City you get a frost after January 31 be ready to cover your chinese cabbage in the event of a surprise late frost.

USDA Zone Info for National City

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in National City

You may be interested in your other planting guides for National City.